A is thrice as efficient as B.A and B cam complete a piece of work in 12 days. Find the number of days in which A alone complete it.

A is twice as efficient as B and they together can complete a piece of work in 24 days. Find the number of days, that A alone takes to compelete the work.

A is twice as efficient as B and they together can complete a piece of work in 24 days. Find the number of days, that A alone takes to compelete the work.

A is thrice as efficient as B and hence completes a work in 40 days less than the number of days taken by B. What will be the number of days taken by both of them when working together?

A is twice as efficient as B and together they finish a piece of work in 18 days. How many days will A take to complete the work alone?

A is thrice as fast as B. If B can do a piece of work in 60 days, the number of days they take to complete the work is ……..

A is thrice as fast as B. If B can do a piece of work in 60 days, the number of days they take to complete the work is ……..